Rev 3837 | Rev 6790 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3837 | Rev 6578 | ||
|---|---|---|---|
| Line 741... | Line 741... | ||
| 741 | if(dd<3) dd=3; if(dd>MAX_SIZE) dd=MAX_SIZE; |
741 | if(dd<3) dd=3; if(dd>MAX_SIZE) dd=MAX_SIZE; |
| 742 | plotjump=dd; |
742 | plotjump=dd; |
| 743 | } |
743 | } |
| 744 | 744 | ||
| 745 | /* plot a curve, either parametric or explicit */ |
745 | /* plot a curve, either parametric or explicit */ |
| 746 | void |
746 | void _obj_plot(objparm *pm,int dash) |
| 747 | { |
747 | { |
| 748 | int i,j,n,dist,xx,yy,varpos; |
748 | int i,j,n,dist,xx,yy,varpos; |
| 749 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
749 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
| 750 | char *varn, *pp; |
750 | char *varn, *pp; |
| 751 | double dc[2],t,v; |
751 | double dc[2],t,v; |
| Line 791... | Line 791... | ||
| 791 | dist=sqrt(xx*xx+yy*yy); |
791 | dist=sqrt(xx*xx+yy*yy); |
| 792 | if(dist>0) { |
792 | if(dist>0) { |
| 793 | if(dist>plotjump || dist==1) |
793 | if(dist>plotjump || dist==1) |
| 794 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
794 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
| 795 | else |
795 | else |
| - | 796 | if ( dash==1) { |
|
| - | 797 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
|
| - | 798 | } else |
|
| 796 | gdImageLine |
799 | {gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); } |
| 797 | 800 | ||
| 798 | } |
801 | } |
| 799 | } |
802 | } |
| 800 | memmove(oc,ic,sizeof(oc)); |
803 | memmove(oc,ic,sizeof(oc)); |
| 801 | } |
804 | } |
| 802 | if(vimg_enable) vimg_plotend(); |
805 | if(vimg_enable) vimg_plotend(); |
| 803 | } |
806 | } |
| - | 807 | ||
| - | 808 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
|
| - | 809 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
|
| 804 | 810 | ||
| 805 | /* set levelcurve granularity */ |
811 | /* set levelcurve granularity */ |
| 806 | void obj_levelstep(objparm *pm) |
812 | void obj_levelstep(objparm *pm) |
| 807 | { |
813 | { |
| 808 | int dd; |
814 | int dd; |